Class 9 Exam  >  Class 9 Videos  >  Mathematics (Maths) Class 9  >  Basic Definitions: Line, Ray and Line Segment

Basic Definitions: Line, Ray and Line Segment Video Lecture | Mathematics (Maths) Class 9

48 videos|378 docs|65 tests

FAQs on Basic Definitions: Line, Ray and Line Segment Video Lecture - Mathematics (Maths) Class 9

1. What is a line?
A line is a straight path that extends infinitely in both directions. It has no endpoints and can be represented by a straight line with arrows on both ends.
2. What is a ray?
A ray is a portion of a line that starts at a specific point (called the endpoint) and extends infinitely in only one direction. It can be represented by a line with an arrow on one end.
3. What is a line segment?
A line segment is a portion of a line that has two distinct endpoints. It does not extend infinitely in either direction. It can be represented by a line with a segment between two points.
4. How are a line, ray, and line segment different from each other?
A line extends infinitely in both directions, while a ray extends infinitely in only one direction. On the other hand, a line segment has two distinct endpoints and does not extend infinitely. In terms of representation, a line is indicated by a straight line with arrows on both ends, a ray is represented by a line with an arrow on one end, and a line segment is represented by a line with a segment between two points.
5. What are the practical applications of lines, rays, and line segments?
Lines, rays, and line segments are used in various fields such as geometry, engineering, architecture, and graphic design. They are essential for creating accurate drawings, constructing buildings, designing roads, and analyzing shapes and angles. Additionally, they are used in computer graphics and animation to create realistic images and simulations.
48 videos|378 docs|65 tests
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